<h1>Angular-Libraries</h1>
<button (click)="click()">Change</button>
<div class="h-100">
  <ng-pdfjs-viewer #PdfViewer pdfSrc="your pdf path" zoom="auto" [page]="1" viewerId="MyID"
    (onDocumentLoad)="testPagesLoaded($event)" (onPageChange)="testPageChange($event)"
    (onBeforePrint)="testBeforePrint()" (onAfterPrint)="testAfterPrint()">
  </ng-pdfjs-viewer>
</div>